/*
 *  Copyright (c) 2021, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RAM_STORAGE_H
#define RAM_STORAGE_H

#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
    RS_ERROR_NONE,
    RS_ERROR_NOT_FOUND,
    RS_ERROR_NO_BUFS,
    RS_ERROR_WRONG_ARG,
} rsError;

typedef struct
{
    uint16_t * ramBufferLen;
    uint16_t ramBufferMaxLen;
    uint8_t * pRamBuffer;
} ramBufferDescriptor;

rsError ramStorageGet(const ramBufferDescriptor * pBuffer, const uint8_t * pAKey, uint8_t keySize, int aIndex, uint8_t * aValue,
                      uint16_t * aValueLength);

rsError ramStorageSet(ramBufferDescriptor * pBuffer, const uint8_t * pAKey, uint8_t keySize, const uint8_t * aValue,
                      uint16_t aValueLength);

rsError ramStorageDelete(ramBufferDescriptor * pBuffer, const uint8_t * pAKey, uint8_t keySize, int aIndex);

void ramStorageInit(void);

int ramStorageReadFromFlash(const char * file_name, uint8_t * buffer, uint32_t buf_length);

int ramStorageSavetoFlash(const char * file_name, uint8_t * buffer, uint32_t buf_length);

void ramStorageDump(const ramBufferDescriptor * pBuffer);

#ifdef __cplusplus
} // extern "C"
#endif

#endif // RAM_STORAGE_H
